On Wednesday, Ixia sold 5.5 million shares at $13 each, $1 above the expected price range of $10 to $12.
Ixia's products evaluate the quantity and speed of transmission of data packets over networks, including optical and Ethernet networks. The system determines how many packets are lost during transmission and whether the packets are received intact.
Ixia has sold its systems to companies such as Cisco Systems, Nortel Networks, AT&T, UUNet, Lockheed Martin and Bank of America. While many investors seemed bullish on the company's prospects, more cautious mutual fund managers remained uninterested.
"It's a very niche company, and we've been looking for cleaner plays that are further up the food chain," said Dave Nadig, a portfolio manager with MetaMarkets.com. "These kinds of tiny plays have been the first ones up against the wall on bad days."
In the six months ended June 30, Ixia earned $2.28 million on $28.3 revenue. The company has been profitable since 1998.
Shares of Ixia trade on the Nasdaq under the ticker symbol "XXIA." Merrill Lynch handled the sale.